UNIT 3 SECURITY. Teaching objectives Students will be able to learn the new words and phrases; understand the main idea of the text; master the use of

UNIT 3

SECURITY

Teaching objectives

Students will be able to

learn the new words and phrases;

understand the main idea of the text;

master the use of parenthesis in the sentence;

comprehend the writing strategy.

Teaching proceduresTeaching procedures

Assignment

Detailed study of the text

Understanding the text

Warm-up activity

SecuritySecurity

Part I Warm-up activityPart I Warm-up activity


National Treasure

security devices

biometricaccess-denial

system

electroniccombination

lock

sensors

heatmonitors

video monitors


bulletproofglass

Part II Understanding the textPart II Understanding the text

The Land of the Lock The Land of the Lock Text A

In the house where I grew up, it was our custom to leave the front door on the latch at night. I don’t know if that was a local term or if it is universal; “on the latch” meant the door was closed but not locked. None of us carried keys; the last one in for the evening would close up, and that was it.

Understanding the textUnderstanding the text

Para. 1Para. 1

It has been replaced by dead-bolt locks, security chains, electronic alarm systems and trip wires hooked up to a police station or private guard firm. Many suburban families have sliding glass doors on their patios, with steel bars elegantly built in so no one can pry the doors open.

Understanding the textUnderstanding the text

Para. 4Para. 4

Words

&

Phrases

SentencesNone of us carried

keys.No one can pry the doors

open.

Tenses grew up ， was

(simple past)

has been replaced

(present perfect)

Para. 1 Para. 4Compare

& Contrast

on the latch


dead-bolt locks, security chains, electronic alarm systems,trip wires andsliding glass doors

Part III Detailed Study of the textPart III Detailed Study of the text

Para. 3Para. 3

Suburbs and country areas are, in many ways, even more vulnerable than well-patroled urban streets. Statistics show the crime rate rising more dramatically in those allegedly tranquil areas than in cities. At any rate, the era of leaving the front door on the latch is over.

Big cities or countryside, which is better for living?

From 《托福官方题库作文大全》

Rural and country areas are, in many ways, even more attractive than well-known cities and towns. (topic sentence) Statistics show the British people’s average life-span rising more dramatically in those allegedly tranquil areas than in cities. (supporting sentence) At any rate, the competitive pressure in rural areas is much less. (supporting sentence)

From 《英语五段作文法》

Para. 3

“Suburbs and country areas are, in many ways, even more vulnerable than well-patroled urban streets”.

Part III Detailed study of the textPart III Detailed study of the text

Parenthesis

Parenthesis-used sentences in the text. Paras 3/ 5/ 7/ 9/ 16/ 18

Practice （ Group Work） Put “in my mind” as a parenthesis into the

following sentence.

Great men in history can always be modest, which is vital to their success.

From 《大学英语初级写作教程》


Great men in history, in my mind, can always be modest, which is vital to their success.

Great men in history can always be modest, which, in my mind, is vital to their success.

Great men in history can always be modest, in my mind, which is vital to their success.

From 《大学英语初级写作教程》


1

Go over the language

points we’ve learned today.

2

Google the use of

“parenthesis” online.

3

Write a paragraph on the topic of “

Should cameras be installed in

public places?”

Part IV AssignmentPart IV Assignment

in many ways

• Original:

• TV and newspapers are different in many ways, even though their aims may be the same.

• Revised:

• TV and newspapers are, in many ways, different even though their aims may be the same.

on the latch

Every night, the mother left the door on the latch so that her lost daughter would be able to come straight in.



latch v.

1. to obtain something

Example ： The collector knew that he had

latched onto a rare antique.


latch v.

2.to begin to understand something

Example ： He talked for almost an hour, but

the committee still failed to latch onto his proposal.


latch v.

3.to become closely connected to someone or something

Example ： That student tried every means

to latch onto our club.


security chain

dead-bolt lock


electronic alarm system


trip wire

sliding glass door with steel

bars


Documents

UNIT 3 SECURITY. Teaching objectives Students will be able to learn the new words and phrases; understand the main idea of the text; master the use of